Tub



FIG. 1 is a perspective rear view of a tub showing my new design;

FIG. 2 is a perspective front view thereof;

FIG. 3 is a left-side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is a right-side view thereof; and,

FIG. 9 is a cross-sectional view taken along line 9-9 of FIG. 6.

The broken lines shown in the figures illustrate portions of the tubthat form no part of the claimed design.

CLAIM The ornamental design for a tub, as shown and described.